VIVOTEK
156 - User's Manual
t = 100)
s<0~(m-1)>_mjpeg_maxfra
me
1~30 s0:30
s1:30
s2:5
s3:30
1/4
Set maximum frame rate in
fps (for JPEG).
s<0~(m-1)>_mjpeg_bitrate 1000~160000
00
s0:14000000
s1:14000000
s2:40000
s3:14000000
4/4
Set bit rate in bps when
choosing cbr in
“ratecontrolmode”.
s<0~(m-1)>_forcei
1
N/A
7/6
Force I frame.
daynight auto,schedule,
day,night
auto
4/4
auto => auto daynight
night => ircut filter on
day => ircut filter off
schedule => scheduled ircut
filter
exposurecontrol
0~4
0
4/4
Select exposure mode.
0 => Auto with IRCut
1 => Shutter priority
2 => Iris priority
3 => Manual mode
4 => Quality mode
exposurelevel
0~12
6
4/4
Exposure level
agc 1~12
(6db~28db)
5
4/4
Set auto gain control to
normal level or MAX level.
enableblc
0~1
0
4/4
Enable backlight
compensation
(exposurecontrol => auto
with IRCut)
shutterpriority
0~14
6
4/4
Exposure time
(exposurecontrol( =>
shutter priority)
irispriority 1~15
(F1.6 ~ F14)
15
4/4
Iris adjustment
(exposurecontrol => Iris
priority)
irismanual
1~15
(F1.6 ~ F14)
15
4/4
Iris adjustment
(exposurecontrol =>
manual)
shutterspeed 0~14
(1/1 ~
1/10000)
6
4/4
Exposure time
(exposurecontrol =>
manual)